.Bluetooth Speaker Battery

1)PCM:This battery pack applied special designed protection circuit:Over charge, Over discharge, Short circuit and over current protection.Prevent battery from fire and explosion.
2)Protection IC:The protection IC with real time detection function: over charge ,such as over discharge ,over current and short circuit protection. It ensured battery security and stability.
3) NTC It will detect the temperature of battery, and active the protection system.
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.Bluetooth Speaker Battery